Rear Extension approval rate in Sutton
Sutton approved 79.4% of rear extension applications, based on 6,821 decisions analysed.
Last updated: March 2026
79.4%
rear extension approval rate
6,821
Rear Extension decisions
5,419
Approved
1,402
Refused
83.9%
Sutton overall
Rear Extension applications are refused more often than the Sutton average (83.9%), suggesting the council scrutinises these projects more closely.
How rear extension compares in Sutton
Rear Extension
79.4%
Sutton all applications
83.9%
Planning a rear extension in Sutton?
79.4% get approved — but the odds vary by street. Your Pro Report shows exactly what gets approved and refused near your property.
✓ Your ward's rear extension approval rate
✓ Nearest comparable rear extension decisions
✓ Refusal triggers specific to your area
✓ PDF report for your architect
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✓ Nearest comparable rear extension decisions
✓ Refusal triggers specific to your area
✓ PDF report for your architect
Less than one set of revised drawings.
Other project types in Sutton
82.6%
82.3%
78.7%
88.4%
77.5%
78.3%
91.8%
77.0%
81.6%
82.5%
84.1%
84.1%
74.5%
75.2%
77.5%